The National Institute of Standards and Technology (NIST) is into historical inventions, including the revolutionary, strange, and ill-conceived — everything from primitive 45 rpm record players to radiation monitors. However, some items in their fascinating digital archives defy explanation — no one is sure where they came from or what their functions are (time travel dial? witch detector?). The government is asking for your help in identifying mystery machines:
Do you hold the key to solving some gadget mysteries from the last century of U.S. science and technology? Visitors to the site can view the items and offer clues about the history and origins of some of these important artifacts.